Infrared Behaviour of the Gauge Boson Propagator in a Confining Theory
M. N. Chernodub, M. I. Polikarpov, V. I. Zakharov
Abstract
We study the gauge boson propagator in the dual Abelian Higgs theory which confines electric charges. The confinement is due to dual Abrikosov-Nielsen-Olesen strings. We show that the infrared double pole 1/(p2)2 in the propagator is absent due to the confinement phenomenon. Instead, specific angular singularities signal the eventual set in of the confinement. These angular singularities are a manifestation of the confining strings.
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